Karl Ouren (February 5, 1882 - January 3, 1943) was an American artist best known for his paintings of Norwegian landscapes and scenes, particularly those featuring winter and snow.
Karl Peter Andreas Ouren was born in Halden, in Østfold county, Norway, the son of Markus Einar Andreas Ouren and Helga Petronelle Olsen. He studied art in Trondhjem and later at the Technical School (Københavns Tekniske Skole) in Copenhagen, Denmark. He emigrated to the United States in 1902, settling in Chicago, Illinois. He attended the Art Institute of Chicago from 1911-1914 under the instruction of Antonin Sterba.
He exhibited frequently at the Palette and Chisel Academy of Fine Art where he was a member and where he also studied. He was awarded a gold medal from the Palette and Chisel Club in 1919. His work was featured at the Chicago Gallery Association and at the Art Institute of Chicago. He received prizes from the Chicago Galleries Association in 1929 and 1930. His paintings were also part of the permanent collection at the Chicago Norske Klub where he won special prizes in 1924 and 1929.